const show = {
    aaa: 1,
    bbb: 2,
    ccc: 3,
    show() {
        console.log(this.aaa);
    },

}
show.show()
const ast = show.show
ast.call(show)

const abr = function (params) {
    // 参数对象，数组，函数
    this.name = 22
    const ar = () => {
        this.name = 1
        console.log(this.name)
    }
    console.log(this.name)
    ar()
    console.log(this.name)
}

const b1 = {
    aa2:132,
    show:()=>{console.log(this.aa2)}
}
const ff = b1.show

ff()
